Element block pseudo-class :active generated with box-sizing content-box position static z-index auto display block height auto padding 20px border-radius float none background font-size 16px transition cursor default margin 0px font-weight normal box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow hidden line-height 1 transform text-shadow 1px 1px 1px rgba(0,0,0,0.2) border 0px rgba(0,0,0,1) solid width 160px